Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Phosphorus biogeochemistry in subtropical ecosystems / 1999
Phosphorus, food, and our future / 2013
PIRLA Project (Paleoecological Investigation of Recent Lake Acidification): An Introduction to the Synthesis of the Project. 1990
Planetary ecology 1985
Primary productivity and mineral cycling in aquatic macrophyte communities of the Chowan River, North Carolina 1976
Proceedings / 1995
Proceedings : National Forum on Mercury in Fish : September 27-29, 1994, New Orleans, Louisiana. 1995
Proceedings of the International Workshop on Carbon Cycling in Boreal Forest and Sub-Arctic Ecosystems : biospheric responses and feedbacks to global climate change / 1993
Proceedings. 1973
Relation of selected trace elements to health and disease. 1974
Report on the peer consultation workshop on selenium aquatic toxicity and bioaccumulation / 1998
Report on the Peer Consultation Workshop on Selenium Aquatic Toxicity and Bioaccumulation. 1998
Secondary productivity below ground in Pawnee grassland / 1972
Sediment biogeochemistry at site 104 open water placement area final report : characterization at site 104 open water placement area (June through August 1996) / 1997
Selected geochemical and biogeochemical studies of the Fortymile River watershed, Alaska / 2004
Soil processes and the carbon cycle 1998
Soil Warming and Trace Gas Fluxes: Experimental Design and Preliminary Flux Results. 1993
Soils, plants and clay minerals : mineral and biologic interactions / 2010
Sources and fates of sedimentary organic matter in the White Oak and Neuse River Estuaries 1983
Special reports on emissions scenarios, regional impacts of climate change, land use, land-use change, and forestry, Methodological and technological issues in technology transfer, aviation and the global atmosphere {electronic resource} . 2001
Strategies for Assessing the Cumulative Effects of Wetland Alteration on Water Quality. 1988
Streams and ground waters / 2000
Subsurface microbiology and biogeochemistry / 2001
Sulfur Dynamics in Mineral Horizons of Two Northern Hardwood Soils. A Column Study with (35)S. 1990
Sulfur Dynamics of Forest Ecosystems. 1989
Terrestrial biosphere and global change : implications for natural and managed ecosystems : a synthesis of GCTE and related research / 1997
Terrestrial biospheric carbon fluxes : quantification of sinks and sources of CO2 : {workshop} Bad Harzburg, Germany, 1-5 March 1993 / 1993
The Biogeochemistry of mercury in the environment / 1979
The carbon age : how life's core element has become civilization's greatest threat / 2008
The carbon cycle / 2000
The carbon isotopic compositions of individual compounds from ancient and modern depositional environments / 1991
The contribution of forest land use to total national carbon flux : case studies in the former Soviet Union, United States, Mexico and Brazil / 1995
The determination of carbon transfer from Chlorella vulgaris Beyerinck to Daphnia magna Straus, using radio-active carbon (C14) as a tracer / 1959
The effects of forest vegetation on solute acquisition and chemical weathering : a study of the Tesuque watersheds near Santa Fe, New Mexico / 1981
The forest sector carbon budget of the United States : carbon pools and flux under alternative policy options / 1993
The forest sector carbon budget of the United States : carbon pools and flux under alternative policy options / 1993
The global carbon cycle / 2010
The global carbon cycle : integrating humans, climate, and the natural world / 2004
The North American carbon budget and implications for the global carbon cycle / 2007
The phanerozoic carbon cycle : CO2 and O2 / 2004
The silicon cycle : human perturbations and impacts on aquatic systems / 2006
The terrestrial biosphere and global change : implications for natural and managed ecosystems / 1999
Trace substances in environmental health; proceedings of the University of Missouri's annual Conference on Trace Substances in Environmental Health. 1968
Uranium-series geochemistry 2003
Use of Stable Carbon Isotopes to Study Microbial Processes in Estuaries. (Chapter 10). 1994
Watershed Manipulation Project: Field Implementation Plan for 1986-1989. 1991
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